A young woman finds an old newspaper of the year 1927 in the book while dusting the book case. From this newspaper she finds out that her great-grandfather, the hero of the Great Patriotic War, never fought for fellow troops. In 1920-30s he was the head of the concentration camp at Solovki. He killed thousands of prisoners in the Sandormokh area of Karelia forests at Kemi town. In order to find out the terrible truth, Mara and her little daughter Sofia go to Solovki.
The main idea of the film is the expiation of your generation, responsibility for your parents as well as the relationship between mother and daughter.